verb (used without object), bom·bi·nat·ed, bom·bi·nat·ing.
- to make a humming or buzzing noise.
- (intr) literary to make a buzzing noiseAlso (rare): bombilate
“make a buzzing noise,” 1865, from Latin bombinare, corrupted from bombitare “to hum, buzz,” from bombus “a deep, hollow sound; hum, buzz,” echoic. Related: Bombinated; bombinating.